ASCO K3A552U | 3/4" 2-Way Normally Closed Gas Shutoff Valve
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The ASCO K3A552U is a direct-acting, 3/4-inch threaded 2-way normally closed high-pressure gas shutoff valve designed to provide positive shutoff on pilot or main gas lines in commercial and industrial burners. Constructed from a rugged die-cast aluminum body, this 110/120V valve ensures reliable and secure performance in demanding combustion systems. For added safety and maintenance convenience, it is equipped with 1/8" NPT upstream and downstream tapped holes with plugs to facilitate routine testing. Please note: This product was discontinued by the manufacturer on March 5, 2020. The direct replacement for this unit is the ASCO RedHat K3A552V.
Specifications
| Brand | ASCO |
|---|---|
| MPN | K3A552U |
| Product status | Discontinued (Direct Replacement: ASCO RedHat K3A552V) |
| Product type | High Pressure Direct Acting Gas Shutoff Valve |
| Valve design | 2-Way, Normally Closed |
| Pipe size | 3/4" NPT (Threaded Connection) |
| Electrical specifications | 110/120V / 16.7 Watts |
| Flow capacity (Cv) | 9 |
| Heating capacity | 520,000 BTU |
| Pressure differential | 3 PSI |
| Body material | Die-Cast Aluminum |
| Temperature ratings | Maximum fluid temperature up to 77°F; Suitable for ambient temperatures up to 175°F |
| Key features | Integrated 1/8" NPT upstream and downstream pipe taps with plugs for routine system testing |
- SKU ASCOK3A552U
Most in-stock items ship within 1–3 business days. Once shipped, you will receive a confirmation email with tracking. Special-order items or items shipped from partner warehouses may require additional processing time. Orders ship via UPS or USPS depending on the item and destination. If you need a specific carrier, please contact us before placing your order.